[1] Chemutai finished seventh in the Men's 3000 metres steeplechase at the 2021 World Athletics U20 Championships in Nairobi, Kenya.

[2] In August 2022, he finished fourth in the 3000 metres steeplechase at the 2022 World Athletics U20 Championships in Cali, Colombia.

[3] Chemutai won the U20 classic mountain race at the Trail World Championships in 2022.

[5] Selected for the 2023 World Athletics Championships in Budapest,[6] he qualified for the final of the 3000m steeplechase, in which he finished twelfth.

[7] In June 2024, he won gold in the 3000 metres steeplechase at the African Championships in Douala, Cameroon.